Nuclear talks with Iran appeared set to crash through another deadline Tuesday night with U.S. officials saying several difficult issues still need resolving to seal the outlines of a final nuclear accord.

Harman International, a maker of in-car multimedia systems, is buying the automotive side of Bang & Olufsen, giving the Stamford, Conn., company a dominant position in the branded car sound-system business.

Europe

Turkish special forces stormed an Istanbul courthouse Tuesday night to free a prosecutor who had been taken hostage by armed assailants. Two of the captors were killed, police said; the hostage was badly injured and later died.

The country’s deputy foreign minister said intervention in Yemen wouldn’t solve the country’s problems and that Saudi Arabia and its Gulf allies “were putting themselves in a very difficult position” by launching airstrikes.

In photos selected by Wall Street Journal editors on Monday, Iraqi security forces plant a flag as they surround Tikrit, a bulldozer clears a path to the Germanwings crash site and Afghans trek across rugged terrain into Pakistan.

Iconic landmarks, such as the Empire State Building and the Eiffel Tower, went dark on Saturday to observe Earth Hour, a global climate change awareness campaign organized by the conservation group WWF.

As investigators searched for the second of the two black boxes of the crashed Germanwings Airbus A320 on Thursday, families of victims were taken up to a zone close to the crash site. Chapels had been prepared for them with a view of the mountain where their relatives died.

A medieval-history exhibition in Russia contends negative portrayals of Ivan the Terrible were ‘the first information war of Europe’s press,’ echoing current newsreels and raising the question if Russia’s often-bloody history is being whitewashed to fuel the Kremlin’s nationalist campaign.